Home / 40,742,013.60-61,113,020.40-31,176,075.60

Finding the Fourth Proportional to 40,742,013.60, 61,113,020.40 and 31,176,075.60

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Solution

The fourth proportional to 40,742,013.60, 61,113,020.40 and 31,176,075.60 is: 46,764,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742,013.60 : 61,113,020.40 = 31,176,075.60 : x
  2. Step 2: Convert to fraction form
    40,742,013.60/61,113,020.40 = 31,176,075.60/x
  3. Step 3: Cross multiply
    40,742,013.60x = 61,113,020.40 × 31,176,075.60
  4. Step 4: Simplify right side
    40,742,013.60x = 1,905,264,144,134,742.25
  5. Step 5: Solve for x
    x = 1,905,264,144,134,742.25/40,742,013.60
  6. Step 6: Final answer
    x = 46,764,113.40

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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.