Home / 144,528,281.60-216,720,688.80-52,408,342.40

Finding the Fourth Proportional to 144,528,281.60, 216,720,688.80 and 52,408,342.40

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Solution

The fourth proportional to 144,528,281.60, 216,720,688.80 and 52,408,342.40 is: 78,586,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,528,281.60 : 216,720,688.80 = 52,408,342.40 : x
  2. Step 2: Convert to fraction form
    144,528,281.60/216,720,688.80 = 52,408,342.40/x
  3. Step 3: Cross multiply
    144,528,281.60x = 216,720,688.80 × 52,408,342.40
  4. Step 4: Simplify right side
    144,528,281.60x = 11,357,972,063,794,246
  5. Step 5: Solve for x
    x = 11,357,972,063,794,246/144,528,281.60
  6. Step 6: Final answer
    x = 78,586,501.81

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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.