Home / 127,484,001.60-191,226,002.40-99,742,781.40

Finding the Fourth Proportional to 127,484,001.60, 191,226,002.40 and 99,742,781.40

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Solution

The fourth proportional to 127,484,001.60, 191,226,002.40 and 99,742,781.40 is: 149,614,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,484,001.60 : 191,226,002.40 = 99,742,781.40 : x
  2. Step 2: Convert to fraction form
    127,484,001.60/191,226,002.40 = 99,742,781.40/x
  3. Step 3: Cross multiply
    127,484,001.60x = 191,226,002.40 × 99,742,781.40
  4. Step 4: Simplify right side
    127,484,001.60x = 19,073,413,355,379,076
  5. Step 5: Solve for x
    x = 19,073,413,355,379,076/127,484,001.60
  6. Step 6: Final answer
    x = 149,614,172.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.