Home / 165,897,490.60-249,035,192.70-97,778,564.20

Finding the Fourth Proportional to 165,897,490.60, 249,035,192.70 and 97,778,564.20

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Solution

The fourth proportional to 165,897,490.60, 249,035,192.70 and 97,778,564.20 is: 146,779,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,897,490.60 : 249,035,192.70 = 97,778,564.20 : x
  2. Step 2: Convert to fraction form
    165,897,490.60/249,035,192.70 = 97,778,564.20/x
  3. Step 3: Cross multiply
    165,897,490.60x = 249,035,192.70 × 97,778,564.20
  4. Step 4: Simplify right side
    165,897,490.60x = 24,350,303,577,476,320
  5. Step 5: Solve for x
    x = 24,350,303,577,476,320/165,897,490.60
  6. Step 6: Final answer
    x = 146,779,215.82

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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.